Handheld vacuum cleaner



FIG. 1 is a top, front and right side perspective view of a handheld vacuum cleaner showing my new design;

FIG. 2 is a top, rear and left side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is an enlarged view of portion 9 in FIG. 1;

FIG. 10 is an enlarged view of portion 10 in FIG. 1; and,

FIG. 11 is an enlarged view of portion 11 in FIG. 2.

The broken lines in the drawings illustrate portions of the handheld vacuum cleaner that form no part of the claimed design. 

CLAIM The ornamental design for a handheld vacuum cleaner, as shown and described. 